/* Copyright (c) 2012 Tobias Wolf, All Rights Reserved
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
package com.sun.jna.platform.win32;
import com.sun.jna.platform.win32.OaIdl.SAFEARRAY;
import com.sun.jna.platform.win32.OaIdl.SAFEARRAYBOUND;
import com.sun.jna.platform.win32.Variant.VARIANT;
import com.sun.jna.platform.win32.WTypes.VARTYPE;
import com.sun.jna.platform.win32.WinNT.HRESULT;
import com.sun.jna.platform.win32.COM.COMUtils;
// TODO: Auto-generated Javadoc
/**
* The Class OleAut32Util.
*
* @author Tobias Wolf, wolf.tobias@gmx.net
*/
public abstract class OleAutoUtil {
/**
* Creates a new the variant array.
*
* @param size the size
* @return the sAFEARRA y. by reference
*/
public static SAFEARRAY.ByReference createVarArray(int size) {
SAFEARRAY.ByReference psa;
SAFEARRAYBOUND[] rgsabound = new SAFEARRAYBOUND[1];
rgsabound[0] = new SAFEARRAYBOUND(size, 0);
psa = OleAuto.INSTANCE.SafeArrayCreate(
new VARTYPE(Variant.VT_VARIANT), 1, rgsabound);
return psa;
}
/**
* Safe array put element.
*
* @param array the array
* @param index the index
* @param arg the arg
*/
public static void SafeArrayPutElement(SAFEARRAY array, long index,
VARIANT arg) {
long[] idx = new long[1];
idx[0] = index;
HRESULT hr = OleAuto.INSTANCE.SafeArrayPutElement(array, idx, arg);
COMUtils.SUCCEEDED(hr);
}
/**
* Safe array get element.
*
* @param array the array
* @param index the index
* @return the variant
*/
public static VARIANT SafeArrayGetElement(SAFEARRAY array, long index) {
long[] idx = new long[1];
idx[0] = index;
VARIANT result = new VARIANT();
HRESULT hr = OleAuto.INSTANCE.SafeArrayGetElement(array, idx,
result.getPointer());
COMUtils.SUCCEEDED(hr);
return result;
}
}